Exposure
- ID
- GRAVI.2022-05-20T07:24:23.990_1
- Header ID
- GRAVI.2022-05-20T07:24:23.990
- Date updated
- 2022-05-20 07:41:03 UTC+0000
- Release date
- 2023-05-20 07:41:03 UTC+0000
- UTC Start
- 2022-05-20 07:24:23.990
- UTC End
- 2022-05-20 07:29:43.990
- MJD Start
- 59719.308611
- MJD End
- 59719.3123147037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006262
- Ambient temperature (°C)
- 12.64
- Seeing (arcsec)
- 0.38
Observation
- ID
- 50946
- Category
- science
- Program ID
- 109.22ZA.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37997
- Name
- S2
- RA
- 266.416858
- DEC
- -29.00723
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.8800 | 55.7780 | 30.8000 | 31.3000 |
| U1-U3 | 100.9900 | 100.7540 | 37.2000 | 37.7000 |
| U1-U4 | 127.6360 | 127.0980 | 65.6830 | 66.2680 |
| U2-U3 | 45.8780 | 45.7430 | 45.0000 | 45.5000 |
| U2-U4 | 87.7940 | 87.4030 | 87.0120 | 87.6940 |
| U3-U4 | 61.8740 | 61.6950 | 116.7720 | 117.5500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59719.308611 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.88 |
| HIERARCH ESO ISS PBL12 END | 55.778 |
| HIERARCH ESO ISS PBLA12 START | 30.8 |
| HIERARCH ESO ISS PBLA12 END | 31.3 |
| HIERARCH ESO ISS PBL13 START | 100.99 |
| HIERARCH ESO ISS PBL13 END | 100.754 |
| HIERARCH ESO ISS PBLA13 START | 37.2 |
| HIERARCH ESO ISS PBLA13 END | 37.7 |
| HIERARCH ESO ISS PBL14 START | 127.636 |
| HIERARCH ESO ISS PBL14 END | 127.098 |
| HIERARCH ESO ISS PBLA14 START | 65.683 |
| HIERARCH ESO ISS PBLA14 END | 66.268 |
| HIERARCH ESO ISS PBL23 START | 45.878 |
| HIERARCH ESO ISS PBL23 END | 45.743 |
| HIERARCH ESO ISS PBLA23 START | 45.0 |
| HIERARCH ESO ISS PBLA23 END | 45.5 |
| HIERARCH ESO ISS PBL24 START | 87.794 |
| HIERARCH ESO ISS PBL24 END | 87.403 |
| HIERARCH ESO ISS PBLA24 START | 87.012 |
| HIERARCH ESO ISS PBLA24 END | 87.694 |
| HIERARCH ESO ISS PBL34 START | 61.874 |
| HIERARCH ESO ISS PBL34 END | 61.695 |
| HIERARCH ESO ISS PBLA34 START | 116.772 |
| HIERARCH ESO ISS PBLA34 END | 117.55 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00629 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006234 |
| HIERARCH ESO ISS AMBI TEMP | 12.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.38 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |